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Fencer Vulns
high 7.0

CVE-2017-15265 json

Race condition in the ALSA subsystem in the Linux kernel before 4.13.8 allows local users to cause a denial of service (use-after-free) or…

published 2017-10-16 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6725

cvss
7.0
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

Race condition in the ALSA subsystem in the Linux kernel before 4.13.8 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted /dev/snd/seq ioctl calls, related to sound/core/seq/seq_clientmgr.c and sound/core/seq/seq_ports.c.

Patch / fix

  • linux linux_kernel 3.2.95, 3.10.108, 3.16.50, 3.18.76, 4.1.46, 4.4.93, 4.9.57, 4.13.8
  • linux Debian 14, Debian 13, Debian 12 4.13.4-2

debian advisories DEBIAN-CVE-2017-15265

  • linux Ubuntu 14.04 LTS 3.13.0-153.203
  • linux Ubuntu 16.04 LTS 4.4.0-101.124
  • linux-aws Ubuntu 14.04 LTS 4.4.0-1003.3
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1041.50
  • linux-gcp Ubuntu 16.04 LTS 4.13.0-1002.5
  • linux-gke Ubuntu 16.04 LTS 4.4.0-1034.34
  • linux-hwe Ubuntu 16.04 LTS 4.13.0-32.35~16.04.1
  • linux-kvm Ubuntu 16.04 LTS 4.4.0-1010.15

ubuntu advisories UBUNTU-CVE-2017-15265

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 6 2.6.32-754.3.5.el6
  • perf RHEL 6 2.6.32-754.3.5.el6
  • python-perf RHEL 6 2.6.32-754.3.5.el6
  • kernel-kdump RHEL 6 2.6.32-754.3.5.el6
  • kernel-firmware RHEL 6 2.6.32-754.3.5.el6
  • kernel-bootwrapper RHEL 6 2.6.32-754.3.5.el6
  • kernel-abi-whitelists RHEL 6 2.6.32-754.3.5.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-754.3.5.el6

red hat advisories RHSA-2018:2390RHSA-2018:1062RHSA-2018:3822RHSA-2018:1170RHSA-2018:1130RHSA-2018:0676

  • kernel-ec2 SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-pae SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-syms SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-trace SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-source SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-default SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-syms SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 4.4.103-92.53.1

suse advisories SUSE-SU-2018:0040-1SUSE-SU-2017:3410-1SUSE-SU-2017:3267-1SUSE-SU-2017:3265-1SUSE-SU-2017:3165-1SUSE-SU-2017:2920-1

  • kernel-source openSUSE Tumbleweed 5.14.6-1.4
  • kernel-source openSUSE Tumbleweed 6.6.17-1.1

opensuse advisories openSUSE-SU-2024:10728-1openSUSE-SU-2024:13704-1

  • linux Arch Linux 4.13.8-1
  • linux-zen Arch Linux 4.13.8-1
  • linux-lts Arch Linux 4.9.57-1
  • linux-hardened Arch Linux 4.13.8.a-1

arch linux advisories AVG-508AVG-509AVG-510AVG-511

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-15265 updated cvss 5.5

kernel: Use-after-free in snd_seq_ioctl_create_port()

  • Red Hat Enterprise Linux 7 perf, kernel, python-perf, kernel-kdump, kernel-tools, kernel-tools-libs, +2 more
    affected: workaround, no fix available
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-862.el7, kernel 3.10.0-862.el7, python-perf 3.10.0-862.el7, kernel-tools 3.10.0-862.el7, kernel-tools-libs 3.10.0-862.el7, kernel-abi-whitelists 3.10.0-862.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-862.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-862.el7, kernel 3.10.0-862.el7, python-perf 3.10.0-862.el7, kernel-tools 3.10.0-862.el7, kernel-tools-libs 3.10.0-862.el7, kernel-abi-whitelists 3.10.0-862.el7, +1 more
    fixed: vendor fix RHSA-2018:1062
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) perf 3.10.0-693.25.2.el7, kernel 3.10.0-693.25.2.el7, python-perf 3.10.0-693.25.2.el7, kernel-tools 3.10.0-693.25.2.el7, kernel-tools-libs 3.10.0-693.25.2.el7, kernel-abi-whitelists 3.10.0-693.25.2.el7, +1 more
    fixed: vendor fix RHSA-2018:1130
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-862.el7
    fixed: vendor fix RHSA-2018:1062
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.25.2.el7
    fixed: vendor fix RHSA-2018:1130
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-754.3.5.el6, kernel 2.6.32-754.3.5.el6, kernel-firmware 2.6.32-754.3.5.el6, kernel-abi-whitelists 2.6.32-754.3.5.el6, kernel-debuginfo-common-i686 2.6.32-754.3.5.el6, kernel-debuginfo-common-x86_64 2.6.32-754.3.5.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-754.3.5.el6, kernel-debuginfo-common-i686 2.6.32-754.3.5.el6, kernel-debuginfo-common-x86_64 2.6.32-754.3.5.el6
    fixed: vendor fix RHSA-2018:2390
  • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt 3.10.0-862.rt56.804.el7, kernel-rt-trace 3.10.0-862.rt56.804.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-862.rt56.804.el7 Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-862.rt56.804.el7, kernel-rt-kvm 3.10.0-862.rt56.804.el7, kernel-rt-trace 3.10.0-862.rt56.804.el7, kernel-rt-debug-kvm 3.10.0-862.rt56.804.el7, kernel-rt-trace-kvm 3.10.0-862.rt56.804.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-862.rt56.804.el7
    fixed: vendor fix RHSA-2018:0676
  • Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-754.3.5.el6, kernel 2.6.32-754.3.5.el6, kernel-firmware 2.6.32-754.3.5.el6, kernel-abi-whitelists 2.6.32-754.3.5.el6, kernel-debuginfo-common-i686 2.6.32-754.3.5.el6, kernel-debuginfo-common-x86_64 2.6.32-754.3.5.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-754.3.5.el6, kernel-debuginfo-common-x86_64 2.6.32-754.3.5.el6
    fixed: vendor fix RHSA-2018:2390
show 13 more
  • Red Hat Enterprise Linux Long Life (v. 5.9 server) kernel 2.6.18-348.42.1.el5, kernel-PAE 2.6.18-348.42.1.el5, kernel-xen 2.6.18-348.42.1.el5, kernel-debuginfo-common 2.6.18-348.42.1.el5
    fixed: vendor fix RHSA-2018:3823
  • Red Hat Enterprise Linux Server (v. 5 ELS) kernel 2.6.18-436.el5, kernel-PAE 2.6.18-436.el5, kernel-xen 2.6.18-436.el5, kernel-kdump 2.6.18-436.el5, kernel-debuginfo-common 2.6.18-436.el5
    fixed: vendor fix RHSA-2018:3822
  • Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-754.3.5.el6, kernel 2.6.32-754.3.5.el6, kernel-kdump 2.6.32-754.3.5.el6, kernel-firmware 2.6.32-754.3.5.el6, kernel-bootwrapper 2.6.32-754.3.5.el6, kernel-abi-whitelists 2.6.32-754.3.5.el6, +4 more
    fixed: vendor fix RHSA-2018:2390
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-862.el7, kernel 3.10.0-862.el7, python-perf 3.10.0-862.el7, kernel-kdump 3.10.0-862.el7, kernel-tools 3.10.0-862.el7, kernel-tools-libs 3.10.0-862.el7, +6 more
    fixed: vendor fix RHSA-2018:1062
  • Red Hat Enterprise Linux Server EUS (v. 7.4) perf 3.10.0-693.25.2.el7, kernel 3.10.0-693.25.2.el7, python-perf 3.10.0-693.25.2.el7, kernel-kdump 3.10.0-693.25.2.el7, kernel-tools 3.10.0-693.25.2.el7, kernel-tools-libs 3.10.0-693.25.2.el7, +6 more
    fixed: vendor fix RHSA-2018:1130
  • Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-754.3.5.el6, kernel-debuginfo-common-i686 2.6.32-754.3.5.el6, kernel-debuginfo-common-ppc64 2.6.32-754.3.5.el6, kernel-debuginfo-common-s390x 2.6.32-754.3.5.el6, kernel-debuginfo-common-x86_64 2.6.32-754.3.5.el6
    fixed: vendor fix RHSA-2018:2390
  • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-862.el7, kernel-debuginfo-common-x86_64 3.10.0-862.el7, kernel-debuginfo-common-ppc64le 3.10.0-862.el7
    fixed: vendor fix RHSA-2018:1062
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.4) kernel-debuginfo-common-ppc64 3.10.0-693.25.2.el7, kernel-debuginfo-common-x86_64 3.10.0-693.25.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.25.2.el7
    fixed: vendor fix RHSA-2018:1130
  • Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-754.3.5.el6, kernel 2.6.32-754.3.5.el6, kernel-firmware 2.6.32-754.3.5.el6, kernel-abi-whitelists 2.6.32-754.3.5.el6, kernel-debuginfo-common-i686 2.6.32-754.3.5.el6, kernel-debuginfo-common-x86_64 2.6.32-754.3.5.el6
    fixed: vendor fix RHSA-2018:2390
  • Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-862.el7, kernel 3.10.0-862.el7, python-perf 3.10.0-862.el7, kernel-tools 3.10.0-862.el7, kernel-tools-libs 3.10.0-862.el7, kernel-abi-whitelists 3.10.0-862.el7, +1 more
    fixed: vendor fix RHSA-2018:1062
  • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-754.3.5.el6, kernel-debuginfo-common-i686 2.6.32-754.3.5.el6, kernel-debuginfo-common-x86_64 2.6.32-754.3.5.el6
    fixed: vendor fix RHSA-2018:2390
  • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-862.el7
    fixed: vendor fix RHSA-2018:1062
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-693.25.2.rt56.612.el6rt, kernel-rt-trace 3.10.0-693.25.2.rt56.612.el6rt, kernel-rt-vanilla 3.10.0-693.25.2.rt56.612.el6rt, kernel-rt-firmware 3.10.0-693.25.2.rt56.612.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-693.25.2.rt56.612.el6rt
    fixed: vendor fix RHSA-2018:1170

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
  • CWE-416 Use After Free
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.